Week In Geek: 20-26 June

Monday 20 JuneFILM: Head along to the Picturehouse Greenwich for a screening of Moon, coupled with a discussion about lunar habitation with astronomers from the Observatory. £9.50, 6.30pm

SKEPTICS: How to Point and Laugh at Irrational Nonsense is the compelling title of tonight's Westminster Skeptics in the Pub. Crispian Jago "hurls ad hominem attacks at passing woo mongers and takes random pot shot at supernatural, paranormal and pseudoscientific bullshit." A fun time is guaranteed for all. Unless you're a woo monger. £2, 7pm

Tuesday 21 JuneSCI-FI: A cavalcade of famous sci-fi authors speak at the British Library tonight. Join Brian Aldiss, John Clute, Michael Moorcock and Norman Spinrad as they talk about their careers and genre. £7.50/£5, 6.30pm

TIME: How do scientists measure tiny intervals of time? Can we freeze time? This inaugural lecture at Imperial College by Prof John Tisch looks at new developments in laser technology that allow us to observe the preposterously small and short. FREE, 5.30pm

MAKING: Weekly meetup of the London Hackspace crew, and anyone who makes things or codes things or just likes pizza and beer. FREE, 7pm

SOUND: An artwork made from the sounds of Suffolk heathland and DJs making music from the weather. All sounds very odd. To find out more, head to the Book Club in Shoreditch. £5, 7pm

Thursday 23 JuneMILITARY: The Apache helicopter is one of the most complex vehicles ever built. Pilot Ed Macy is at the National Army Museum to discuss the challenges of flying one. £10/£7.50, 7pm

SPACE: Those who can struggle up the hill can visit the Royal Observatory's planetarium for a special 'Summer Science' lecture devoted to the giant planets (Jupiter, Saturn and their friends). £10/£7.50, 7pm

AGE: A couple of Imperial scientists and an author congregate at the Dana Centre to discuss age-related diseases...including a look at the 'lighter side of Alzheimer's'. FREE, 7pm

Saturday 25 JuneKNITTING: Think you can knit a planet or crochet a Bose-Einstein condensate? Head along to the Science Museum today or tomorrow for Stitch London's Stitched Science event. They've already had some fantastic submissions, including a crocheted space shuttle and a knitted motor neuron (see image). FREE